Thread: what is the differences between whole house surge protectors?
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gary gary is offline
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Default what is the differences between whole house surge protectors?
I want to put a whole house surge protector in my breaker box. It is a Siemens and I can use either a QSA2020 or a QSA2020TVSS. One is whole house secondary surge arrestor and one is a transient voltage surge suppressor. What is the difference and which is the better one to get?

Thx
Gary
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